Fix typo in index.md

Change-Id: I611e505d8b0c03aa0b5f8146d0757c711d7d845b

index.md

diff --git a/index.md b/index.md
index d58de91..f74803d 100644
--- a/index.md
+++ b/index.md
@@ -117,7 +117,7 @@
 over all managed repositories and
 [replicate](https://gerrit.googlesource.com/plugins/replication/+doc/master/src/main/resources/Documentation/config.md)
 to geographical mirrors for latency reduction and backup servers for hot
-spare redundancy.w
+spare redundancy.
 
 ## Extensible through plugins